exam Maths Puzzle Numerical Ability

Use elimination to solve each system of equations.

a-2b=5
3a-2b=9

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exam Other Question

I need to find the product of this problem:(2x-5)^2. Thank you for your help!! solve...5-9x >19+5x and 14x+9>13x-4 and last but not least w=p-21/2 solve for p...whoever will help me i highly appreciate it! Thank you